Français
Albanian
Arabic
Armenian
Azerbaijani
Belarusian
Bengali
Bosnian
Catalan
Czech
Danish
Deutsch
Dutch
English
Estonian
Finnish
Français
Greek
Haitian Creole
Hebrew
Hindi
Hungarian
Icelandic
Indonesian
Irish
Italian
Japanese
Korean
Latvian
Lithuanian
Macedonian
Mongolian
Norwegian
Persian
Polish
Portuguese
Romanian
Russian
Serbian
Slovak
Slovenian
Spanish
Swahili
Swedish
Turkish
Ukrainian
Vietnamese
Български
中文(简体)
中文(繁體)
isocorydine/stephania
Le lien est enregistré dans le presse-papiers
9 résultats
[Research on anticancer activity of isocorydine and its derivatives].
Seuls les utilisateurs enregistrés peuvent traduire des articles
Se connecter S'inscrire
Isocorydine and its analogs were extracted from Dicranostigma leptopodum and Stephania yunnanensis through the method of natural products chemistry. Its derivatives were prepared by chemical structure modifications from isocorydine. MTT method was used to study the inhibitory effect of those
[Alkaloids of African Menispermaceae. II. Stephania dinklagei (Engl.) Diels: isolation of (plus) corydine, (plus) isocorydine and (minus) roemerine].
Seuls les utilisateurs enregistrés peuvent traduire des articles
Se connecter S'inscrire
Cytotoxic and DNA damaging activity of some aporphine alkaloids from Stephania dinklagei.
Seuls les utilisateurs enregistrés peuvent traduire des articles
Se connecter S'inscrire
Six aporphine alkaloids, liriodenine, corydine, isocorydine, atherospermidine, stephalagine and dehydrostephalagine, were isolated by bioassay-guided fractionation of the EtOH extract of the stems of Stephania dinklagei. Liriodenine showed strong cytotoxic activity while corydine and
[Alkaloids in stems and leaves of Stephania cepharantha].
Seuls les utilisateurs enregistrés peuvent traduire des articles
Se connecter S'inscrire
OBJECTIVE
To study the alkaloids in the stems and leaves of Stephania cepharantha.
METHODS
The dried stems and leaves of S. cepharantha were percolated with 95% ethanol and the solvent was removed by rotary evaporation to give a concentrate, and the concentrate was extracted by petroleum ether and
Chemical profiling of the tuber of Stephania cambodica Gagnep. (Menispermaceae) and analytical control by UHPLC-DAD.
Seuls les utilisateurs enregistrés peuvent traduire des articles
Se connecter S'inscrire
A new aporphine glycoside (1), named 'angkorwatine', and eight known alkaloids: oblongine (2), stepharine (3), asimilobine-β-d-glucopyranoside (4), isocorydine (5), tetrahydropalmatine (THP) (6), jatrorrhizine (7), palmatine (PAL) (8), and roemerine (ROE) (9) were simultaneously isolated from the
Development of an HPLC-DAD method for the determination of five alkaloids in Stephania yunnanensis Lo and in rat plasma after oral dose of Stephania yunnanensis Lo extracts.
Seuls les utilisateurs enregistrés peuvent traduire des articles
Se connecter S'inscrire
For the rational utilization and the quantitative quality control of the Stephania yunnanensis Lo, an HPLC-DAD method was developed for the quantitative and simultaneous determination of five alkaloids in rat plasma (stepharine, sinomenine, palmatine, isocorydine and tetrahydropalmatine), which were
Aporphine alkaloids from the roots of Stephania viridiflavens.
Seuls les utilisateurs enregistrés peuvent traduire des articles
Se connecter S'inscrire
Further investigation on the phytochemistry of the medicinal plant Stephania viridiflavens led to the isolation of a new naturally occurring aporphine alkaloid, (+)-6R, 6aS-isocorydine N(beta)-oxide (1), together with three known aporphine alkaloids: (+)-6R, 6aS-corydine N(beta)-oxide (2),
Preparative separation of isoquinoline alkaloids from Stephania yunnanensis by pH-zone-refining counter-current chromatography.
Seuls les utilisateurs enregistrés peuvent traduire des articles
Se connecter S'inscrire
In this paper, five isoquinoline alkaloids were successfully separated from a crude extract of Stephania yunnanensis using pH-zone-refining counter-current chromatography in single-step. With a two-phase solvent system composed of methyl-tert-butyl ether (MtBE)-acetonitrile-water (2:2:3, v/v) where
[Determination of 7 bio-active alkaloids in Stephania plants by RP-HPLC].
Seuls les utilisateurs enregistrés peuvent traduire des articles
Se connecter S'inscrire
Seven bio-active alkaloids (stepholidine, sinoacutine, isocorydine, l-tetrahydropalmatine, crebanine, fanchinoline and tetrandrine) in Stephania plants were determined by RP-HPLC, using UV detection (282 nm) and gradient elution. The reversed phase system consisted of ODS column and
La base de données d'herbes médicinales la plus complète soutenue par la science
- Fonctionne en 55 langues
- Cures à base de plantes soutenues par la science
- Reconnaissance des herbes par image
- Carte GPS interactive - étiquetez les herbes sur place (à venir)
- Lisez les publications scientifiques liées à votre recherche
- Rechercher les herbes médicinales par leurs effets
- Organisez vos intérêts et restez à jour avec les nouvelles recherches, essais cliniques et brevets
Tapez un symptôme ou une maladie et lisez des informations sur les herbes qui pourraient aider, tapez une herbe et voyez les maladies et symptômes contre lesquels elle est utilisée.
* Toutes les informations sont basées sur des recherches scientifiques publiées
